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$348+ Cheap flights from Reagan-National (DCA) to Barcelona

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BCN
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Barcelona are usually found in November or January, booked 25 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Reagan-National to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 2, 2025.

Round-trip from

$497
(Air Canada)

One-way from

$338
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$855
From Washington, D.C. Reagan-National to Barcelona
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One-way flight from Washington, D.C. Reagan-National to Barcelona
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Highest demand for flights based on searches. 20% potential increase in price ($252 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Reagan-National to Barcelona

Cheapest flights from Reagan-National to Barcelona
Explore the most affordable flight options available from Reagan-National to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

This Air Canada deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:00 amDCA - BCN
1 stop21h 35mAir Canada
Wed 11/51:50 pmBCN - DCA
2 stops31h 41mAir Canada
Deal found 8/1$497
This Iberia deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:00 pmDCA - BCN
2 stops18h 20mIberia
Fri 12/129:15 amBCN - DCA
2 stops16h 00mIberia
Deal found 8/1$500
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/91:00 pmDCA - BCN
2 stops14h 35mUnited Airlines
Mon 11/171:45 pmBCN - DCA
2 stops31h 46mUnited Airlines
Deal found 8/1$501
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/115:30 pmDCA - BCN
2 stops17h 40mDelta
Wed 10/229:30 amBCN - DCA
1 stop18h 37mDelta
Deal found 7/31$502
This Booking.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/74:40 pmDCA - BCN
1 stop10h 25mBritish Airways
Wed 9/172:00 pmBCN - DCA
1 stop12h 00mBritish Airways
Deal found 8/1$507
This Finnair deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:23 pmDCA - BCN
1 stop12h 12mFinnair
Tue 10/712:50 pmBCN - DCA
1 stop16h 07mFinnair
Deal found 8/1$510
This Finnair deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/211:49 amDCA - BCN
1 stop13h 16mMultiple Airlines
Sun 11/911:00 amBCN - DCA
1 stop15h 21mMultiple Airlines
Deal found 7/31$536
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1411:00 amDCA - GRO
2 stops30h 00mMultiple Airlines
Sun 9/216:50 amGRO - DCA
3 stops35h 18mMultiple Airlines
Deal found 7/30$885
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:55 pmDCA - REU
3 stops27h 00mMultiple Airlines
Mon 9/229:45 amREU - DCA
2 stops18h 49mMultiple Airlines
Deal found 7/31$1,067

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Barcelona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Barcelona that are best for you.

Fly from

Reagan-National

Fly to

Barcelona

Route

Depart

Return

Price

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Mon 10/27

6:00 am-8:35 am

1 stop21h 35m

Barcelona-El Prat

Wed 11/5

1:50 pm-3:31 pm

2 stops31h 41m

$497

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Tue 11/11

2:00 pm-2:20 pm

2 stops18h 20m

Barcelona-El Prat

Fri 12/12

9:15 am-7:15 pm

2 stops16h 00m

$500

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Sun 11/9

1:00 pm-9:35 am

2 stops14h 35m

Barcelona-El Prat

Mon 11/17

1:45 pm-3:31 pm

2 stops31h 46m

$501

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Sat 10/11

5:30 pm-5:10 pm

2 stops17h 40m

Barcelona-El Prat

Wed 10/22

9:30 am-10:07 pm

1 stop18h 37m

$502

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Sun 9/7

4:40 pm-9:05 am

1 stop10h 25m

Barcelona-El Prat

Wed 9/17

2:00 pm-8:00 pm

1 stop12h 00m

$507

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Tue 9/16

7:23 pm-1:35 pm

1 stop12h 12m

Barcelona-El Prat

Tue 10/7

12:50 pm-10:57 pm

1 stop16h 07m

$510

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Sun 11/2

11:49 am-7:05 am

1 stop13h 16m

Barcelona-El Prat

Sun 11/9

11:00 am-8:21 pm

1 stop15h 21m

$536

Washington, D.C.Girona

DCA - GRO

DCAGRO

Washington, D.C. Reagan-National

Sun 9/14

11:00 am-11:00 pm

2 stops30h 00m

Girona Costa Brava

Sun 9/21

6:50 am-12:08 pm

3 stops35h 18m

$885

Washington, D.C.Reus

DCA - REU

DCAREU

Washington, D.C. Reagan-National

Mon 9/8

12:55 pm-9:55 pm

3 stops27h 00m

Reus

Mon 9/22

9:45 am-10:34 pm

2 stops18h 49m

$1,067

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Wed 9/17

11:00 am-1:30 am

2 stops32h 30m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 19 results
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Best time to book a flight from Reagan-National to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Barcelona

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Barcelona. Price data was last updated on August 1, 2025.

The best time to book flights from Washington, D.C. Reagan-National Airport to Barcelona is 25 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Barcelona?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Barcelona (average of $523). Flying from Washington, D.C. Reagan-National Airport to Barcelona in June is currently the most expensive (average of $1,057). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DCA to BCN?

Find hourly flight availability from Reagan-National to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Reagan-National Airport to Barcelona at noon. If you’re flexible enough to do this you can expect to save up to 51% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona. Reviews last updated August 2, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Barcelona, such as Delta, KLM, and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,384 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,317 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,904 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Barcelona round-trip?

    Flying on Air Canada is currently your cheapest option to Barcelona, with prices starting at $497. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $498 and $501, respectively. You may be able to fly from Washington, D.C. Reagan-National Airport to Barcelona for 49% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Barcelona one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $373. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Washington, D.C. Reagan-National Airport to Barcelona for a low price.

  • What are the most popular routes from Washington, D.C. Reagan-National Airport to Barcelona?

    The most popular flight routes from Washington, D.C. Reagan-National Airport to Barcelona are Washington, D.C. Reagan-National - Barcelona-El Prat, Washington, D.C. Reagan-National - Girona Costa Brava and Washington, D.C. Reagan-National - Reus.

  • Can I find deals for flights from Reagan-National to Barcelona that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Barcelona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Barcelona?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Barcelona.

  • Can I find deals for business class flights from Reagan-National to Barcelona?

    Yes. Cheapflights offers flight deals from Reagan-National to Barcelona by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Barcelona?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Barcelona (average of $523). Flying from Washington, D.C. Reagan-National Airport to Barcelona in June is currently the most expensive (average of $1,057). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Reagan-National to Barcelona

Discover the top 5 airlines that operate flights from Reagan-National to Barcelona. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$483Average$711FlexibilityNo cancel feeOn-time77%
DeltaCheapest$497Average$1,029FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$513Average$776FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$575Average$1,175FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$642Average$1,026FlexibilityNo cancel feeOn-time71%

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